Key Takeaways Capital One sued the FDIC over a $474.1M special assessment tied to 2023 bank failures.The bank argues $56B in intercompany funds were wrongly treated as uninsured deposits.COF says it owes $325M, not the extra $149M plus penalties the FDIC continues to demand.Last week, Capital One (COF) sued the Federal Deposit Insurance Corp. (FDIC) for levying an “outsized and improperly calculated” special assessment fee of $474.1 million to refill its Deposit Insurance Fund (DIF) following the collapse o ...